Exponents and Division

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Presentation transcript:

Exponents and Division Lesson 4-8 Additional Examples Simplify each expression. 412 48 a. 412 48 = 412 – 8 Subtract the exponents. = 44 Simplify the exponent. = 256 Simplify. w18 w13 b. = w18 – 13 w18 w13 Subtract the exponents. = w5 Simplify the exponent.

Exponents and Division Lesson 4-8 Additional Examples Simplify each expression. (–12)73 a. (–12)73 = (–12)73 – 73 Subtract the exponents. = (–12)0 Simplify. = 1 b. 8s20 32s20 8 32 8s20 32s20 1 4 = Subtract the exponents. Simplify . s0 1 4 = • 1 Simplify s0. 1 4 = Multiply.

Exponents and Division Lesson 4-8 Additional Examples Simplify each expression. 612 614 a. = 6–2 612 614 = 612 – 14 Subtract the exponents. = 1 62 Write with a positive exponent. 1 36 = Simplify. z4 z15 b. = z–11 z4 z15 = z4 – 15 Subtract the exponents. = 1 z11 Write with a positive exponent.

Exponents and Division Lesson 4-8 Additional Examples Write without a fraction bar. a2b3 ab15 a2b3 ab15 = a2 – 1b3 – 15 Use the rule for Dividing Powers with the Same Base. = ab–12 Subtract the exponents.